| Rifleman 6 H Federal Com #002Q30-015-34269 | Earthstone Operating, LLC | EddyHappy Valley; Morrow (Gas) | ActiveGas | 11,510 | Jun 29, 2005 | 0 | 49,360 |
| Kudu 9 Federal #00730-025-37287 | Earthstone Operating, LLC | Lea | PermittedOil | 4,500 | Jun 7, 2005 | 0 | 0 |
| Montura Fed Com #00130-015-34127 | Earthstone Operating, LLC | EddyHappy Valley; Strawn (Gas) | ActiveGas | 11,840 | Jun 1, 2005 | 104 | 16,174 |
| Rifleman 5 #00430-015-34070 | Earthstone Operating, LLC | EddyHappy Valley; Morrow (Gas) | ActiveGas | 11,300 | Apr 18, 2005 | 0 | 2,327 |
| Esperanza 13 #002HZ30-015-33968 | Earthstone Operating, LLC | EddyPurple Sage; Wolfcamp (Gas) | PluggedGas | 12,050 | Feb 27, 2005 | 0 | 0 |
| Cuesta Abajo Federal Com #00130-015-33966 | Earthstone Operating, LLC | EddyHappy Valley; Morrow (Gas) | PluggedGas | 10,905 | Feb 18, 2005 | 0 | 0 |
| Kudu 9 Federal #00630-025-37092 | Earthstone Operating, LLC | LeaTonto; Yates-Seven River | ActiveOil | 3,923 | Feb 15, 2005 | 410 | 0 |
| Bennett #00130-015-33757 | Earthstone Operating, LLC | EddyHappy Valley; Morrow (Gas) | ActiveGas | 11,602 | Dec 4, 2004 | 0 | 7,235 |
| Outland 14 State #00130-025-36979 | Earthstone Operating, LLC | LeaWilson; Morrow (Gas) | ActiveGas | 13,450 | Nov 29, 2004 | 0 | 1,956 |
| Kudu 9 Federal #00430-025-36980 | Earthstone Operating, LLC | LeaTonto; Yates-Seven River | PluggedOil | 4,400 | Nov 24, 2004 | 0 | 0 |
| Panama 13 Federal #00430-025-36874 | Earthstone Operating, LLC | LeaTonto; Yates-Seven River | ActiveOil | 4,000 | Sep 16, 2004 | 635 | 3,915 |
| Filaree 25 H Federal Com #00230-015-33617 | Earthstone Operating, LLC | EddyMcKittrick Hills; Atoka, East Gas | ActiveGas | 11,770 | Sep 9, 2004 | 0 | 19,789 |
| Filaree 24C Federal Com #00330-015-33618 | Earthstone Operating, LLC | EddyHappy Valley; Atoka (Gas) | ActiveGas | 11,350 | Sep 9, 2004 | 0 | 8,757 |
| Kudu 9 Federal #00230-025-36845 | Earthstone Operating, LLC | LeaTonto; Yates-Seven River | ActiveOil | 4,407 | Aug 31, 2004 | 1,090 | 0 |
| Panama 13 Federal #001P30-025-36850 | Earthstone Operating, LLC | LeaTonto; Yates-Seven River | PluggedOil | 4,010 | Aug 31, 2004 | 0 | 0 |
| Panama 13 Federal #00330-025-36851 | Earthstone Operating, LLC | LeaTonto; Yates-Seven River | ActiveOil | 3,975 | Aug 31, 2004 | 574 | 1,470 |
| Esperanza 13 #00130-015-33573 | Earthstone Operating, LLC | EddyCarlsbad; Morrow, South (Gas) | PluggedGas | 12,297 | Aug 24, 2004 | 0 | 0 |
| Jade 34 Federal Com #00330-025-36820 | Earthstone Operating, LLC | LeaGem; Morrow, East (Gas) | PluggedGas | 14,090 | Aug 9, 2004 | 0 | 0 |
| Mesa Federal #00130-015-33141 | Earthstone Operating, LLC | EddyCarlsbad; Morrow, South (Gas) | ActiveGas | 11,778 | Dec 10, 2003 | 0 | 6,712 |
| Filaree 25 C Federal Com #00130-015-32975 | Earthstone Operating, LLC | EddyRevelation; Strawn,southeast (G) | ActiveGas | 11,383 | Jul 31, 2003 | 0 | 10,875 |
| Mesa Arriba #00130-015-22169 | Earthstone Operating, LLC | EddyHappy Valley; Bone Spring,east | ActiveGas | 11,500 | Jul 11, 2003 | 0 | 721 |
| Philly Federal #00330-015-32993 | Earthstone Operating, LLC | EddyCarlsbad; Morrow, South (Gas) | ActiveGas | 11,970 | Jun 26, 2003 | 0 | 15,179 |
| Floyd RI Federal Com #00230-015-32707 | Earthstone Operating, LLC | EddyHappy Valley; Morrow (Gas) | ActiveGas | 11,830 | Mar 24, 2003 | 0 | 1,090 |
| Grama Ridge 23 State #00230-025-36082 | Earthstone Operating, LLC | LeaWilson; Penn, South (Gas) | ActiveGas | 13,100 | Dec 20, 2002 | 0 | 6,471 |
| Lancaster Springs Unit #00630-015-32542 | Earthstone Operating, LLC | EddyHappy Valley; Morrow (Gas) | ActiveGas | 11,430 | Dec 3, 2002 | 0 | 21,014 |
| State IE Com #00230-015-32410 | Earthstone Operating, LLC | EddyHackberry Hills; Canyon, East (Gas) | ActiveGas | 11,750 | Aug 26, 2002 | 0 | 963 |
| CN Com #00230-015-32411 | Earthstone Operating, LLC | EddySheep Draw; Strawn, Northeast (Gas) | ActiveGas | 11,600 | Aug 26, 2002 | 0 | 2,126 |
| Wapiti 31 Federal #00130-025-35841 | Earthstone Operating, LLC | LeaE-K; Bone Spring | ActiveOil | 13,720 | Jan 3, 2002 | 690 | 407 |
| Outland State Unit #00530-025-35665 | Earthstone Operating, LLC | LeaWilson; Atoka (Gas) | Temporarily abandonedGas | 13,650 | Aug 21, 2001 | 0 | 0 |
| Python 3 Federal #00630-025-35647 | Earthstone Operating, LLC | LeaTeas; Delaware | PluggedOil | 9,917 | Jul 10, 2001 | 0 | 0 |
| Lancaster Springs Unit #00430-015-31798 | Earthstone Operating, LLC | EddyHappy Valley; Morrow (Gas) | PluggedGas | 11,870 | May 25, 2001 | 0 | 0 |
| Campana 2M State #00130-015-31725 | Earthstone Operating, LLC | EddyBlack River; Upper Penn (Gas) | PluggedGas | 12,000 | Apr 26, 2001 | 0 | 0 |
| Filaree 18 Federal #00130-015-31707 | Earthstone Operating, LLC | EddyPurple Sage; Wolfcamp (Gas) | ActiveGas | 11,815 | Apr 13, 2001 | 602 | 10,989 |
| Outland State Unit #00730-025-35441 | Earthstone Operating, LLC | LeaWilson; Morrow (Gas) | Temporarily abandonedGas | 13,650 | Mar 6, 2001 | 0 | 0 |
| Diamondback 24 Federal Com #00130-025-35622 | Earthstone Operating, LLC | LeaLusk; Bone Spring, East | PluggedGas | 13,830 | Feb 8, 2001 | 0 | 0 |
| Grama Ridge 23 State #00130-025-35379 | Earthstone Operating, LLC | LeaWilson; Penn, South (Gas) | PluggedGas | 12,920 | Jan 29, 2001 | 0 | 0 |
| Outland State Unit #00430-025-35343 | Earthstone Operating, LLC | LeaOsudo; Atoka, Southwest (Gas) | PluggedGas | 13,400 | Jan 16, 2001 | 0 | 0 |
| Rifleman 5 State #00130-015-31490 | Earthstone Operating, LLC | EddyHappy Valley; Morrow (Gas) | Temporarily abandonedGas | 11,500 | Dec 4, 2000 | 0 | 0 |
| Gazelle 31 Federal #00330-025-35339 | Earthstone Operating, LLC | LeaCorbin; Bone Spring, South | ActiveGas | 13,650 | Dec 4, 2000 | 2,753 | 7,872 |
| Atlantic 32 State #00730-025-35237 | Earthstone Operating, LLC | LeaCorbin; Morrow, South (Gas) | PluggedGas | 13,700 | Nov 6, 2000 | 0 | 0 |
| White Tip 7 Federal Com #00230-015-31370 | Earthstone Operating, LLC | EddyHappy Valley; Morrow (Gas) | ActiveGas | 12,500 | Oct 2, 2000 | 0 | 297 |
| Elbow Canyon 4 Federal #00130-015-31291 | Earthstone Operating, LLC | EddyCarlsbad; Morrow, South (Gas) | PluggedGas | 12,070 | Aug 1, 2000 | 0 | 0 |
| Python 3 Federal #00330-025-35081 | Earthstone Operating, LLC | LeaTeas; Delaware | PluggedOil | 9,813 | Jun 30, 2000 | 0 | 0 |
| Panama 13 Federal #00230-025-35192 | Earthstone Operating, LLC | LeaTonto; Yates-Seven River | PluggedOil | 9,900 | Jun 22, 2000 | 0 | 0 |
| Filaree 24 Federal Com #00230-015-31142 | Earthstone Operating, LLC | EddyHappy Valley; Morrow (Gas) | ActiveGas | 11,362 | May 8, 2000 | 0 | 1,182 |
| Gazelle 32 State #00130-025-35009 | Earthstone Operating, LLC | LeaCorbin; Morrow, South (Gas) | ActiveGas | 13,700 | Apr 18, 2000 | 0 | 5,770 |
| White Tip 12 Federal Com #00130-015-31209 | Earthstone Operating, LLC | EddyRevelation; Morrow (Gas) | ActiveGas | 11,600 | Apr 3, 2000 | 0 | 250 |
| State of New Mexico 7 #002Y30-015-31050 | Earthstone Operating, LLC | EddyMosley Canyon; Strawn (Gas) | PluggedGas | 11,250 | Mar 29, 2000 | 0 | 0 |
| Outland State Unit #00230-025-34971 | Earthstone Operating, LLC | LeaWilson; Atoka (Gas) | ActiveGas | 13,200 | Mar 15, 2000 | 120 | 19,799 |
| Grama Ridge East 34 State #00130-025-34948 | Earthstone Operating, LLC | LeaGrama Ridge; Bone Spring, NE | PluggedGas | 13,500 | Feb 28, 2000 | 0 | 0 |